Pacemaker prints the error: couldn't create file for mmap

This document (000020566) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise High Availability Extension 15 SP3

Situation

The following type of error messages are printed by pacemaker:
error: couldn't allocate file /dev/shm/qb-30968-10419-14-iWXPZP/qb-event-cib_rw-data: Interrupted system call (4)
error: couldn't create file for mmap
error: qb_rb_open:/dev/shm/qb-30968-10419-14-iWXPZP/qb-event-cib_rw: Interrupted system call (4)
error: shm connection FAILED: Interrupted system call (4)
error: Error in connection setup (/dev/shm/qb-30968-10419-14-iWXPZP/qb): Interrupted system call (4)

Resolution

The fix is released in the patch "SUSE-SLE-Product-HA-15-SP3-2022-105" which contains the libqb package version "libqb100-2.0.2+20201203.def947e-3.3.1".

Cause

The issue is caused by a bug in the "libqb" package as described below:
https://github.com/ClusterLabs/libqb/issues/451

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.